The Government has offered Australia's three mobile operators, and vividwireless, renewal of their existing spectrum allocated on 15 year licences in the late 90s and early 2000s at set prices, while the Government expects to rake in $3 billion.
In the author’s paper “Is the airborne fraction of anthropogenic CO2 emissions increasing?,” which is published online in the journal Geophysical Research Letters, the capacity of the oceans on Earth to absorb carbon dioxide is much larger that previously thought by scientists.
[Source: Knorr W. (2009), Is the airborne fraction of anthropogenic CO 2 emissions increasing?, Geophys. Res. Lett., 36, L21710, doi:10.1029/2009GL040613.]
Dr. Wolfgang Knorr, from the Department of Earth Sciences at the University of Bristol, measured the trend in the fraction of carbon dioxide in the atmosphere since 1850.
Dr. Knorr found that the increase in this fraction “… has only been 0.7 ± 1.4% per decade, which is essentially zero.” [Abstract]
The study uses measurements and statistical data, and does not use climate model computations as do many other previous studies.
Dr. Knorr was asked by ScienceDaily.com if this is good news for the global climate in general and to actions being taken by countries around the world.
He answered, “Not necessarily."
Adding, "Like all studies of this kind, there are uncertainties in the data, so rather than relying on Nature to provide a free service, soaking up our waste carbon, we need to ascertain why the proportion being absorbed has not changed."
Dr. Knorr states in his abstract, “The analysis further shows that the statistical model of a constant airborne
fraction agrees best with the available data if emissions from land use change
are scaled down to 82% or less of their original estimates.”
The British researcher concludes, “Despite the predictions of coupled climate-carbon cycle models, no trend in the
airborne fraction can be found."
David Bass
| ComOps, a leading Australian provider of business software products and services, has won a competitive tender to deploy its Salvus safety, r…
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